发明名称 |
PHOSPHORESCENT ORGANIC LIGHT EMITTING DIODES WITH HIGH EFFICIENCY AND BRIGHTNESS |
摘要 |
An organic light emitting device including a) an anode; b) a cathode; and c) an emissive layer disposed between the anode and the cathode, the emissive layer comprising an organic host compound and a phosphorescent compound exhibiting a Stokes Shift overlap greater than 0.3 eV. The organic light emitting device may further include a hole transport layer disposed between the emissive layer and the anode; and an electron transport layer disposed between the emissive layer and the cathode. In some embodiments, the phosphorescent compound exhibits a phosphorescent lifetime of less than 10 μs. In some embodiments, the concentration of the phosphorescent compound ranges from 0.5 wt. % to 10 wt. %. |
申请公布号 |
US2014326972(A1) |
申请公布日期 |
2014.11.06 |
申请号 |
US201414268398 |
申请日期 |
2014.05.02 |
申请人 |
The Regents of the University of Michigan |
发明人 |
Forrest Stephen R.;Zhang Yifan |
分类号 |
H01L51/50 |
主分类号 |
H01L51/50 |
代理机构 |
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代理人 |
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主权项 |
1. An organic light emitting device comprising:
a) an anode; b) a cathode; c) an emissive layer disposed between the anode and the cathode, the emissive layer comprising an organic host compound and a phosphorescent compound exhibiting a Stokes Shift overlap greater than 0.3 eV. |
地址 |
Ann Arbor MI US |